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Bae and Rosel: Construction of the Structural Equation Model on Substance Use in Adolescents
Original Article
Journal of Korean Academy of Nursing

Journal of Korean Academy of Nursing 2009; 39(3): 446-457.

Published online: 29 June 2009

DOI: https://doi.org/10.4040/jkan.2009.39.3.446

Construction of the Structural Equation Model on Substance Use in Adolescents

Jeongyee Bae1, Panuncio Rosel2

1Associate Professor, Department of Nursing, Inje University, Busan, Korea.

2Research Assistant, Department of Nursing, Inje University, Busan, Korea.

Address reprint requests to: Bae, Jeongyee. Department of Nursing, College of Medicine, Inje University, 633-165 Gaegeum-dong, Busanjin-gu, Busan 614-735, Korea. Tel: 82-51-890-6823, Fax: 82-51-896-9840, jibai@inje.ac.kr

Received 19 December 2008       Accepted 4 June 2009

Copyright © 2009 Korean Society of Nursing Science

Abstract

Purpose

The aim of this study was to construct a structural equation model that would further explain the continuously increasing substance use disorder in Korean adolescents.

Methods

Survey visits using a structured questionnaire were conducted with 3,885 students in 2 middle schools and 2 high schools in Busan. A total of 13 instruments were used in this model. The analysis of data was done with both SPSS 14.0 for descriptive statistics and AMOS 5.0 for covariance structure analysis.

Results

Based on the constructed model, belief on substance use was found to have a significantly direct effect in influencing adolescent substance use. In addition, other factors such as family environment, satisfaction with school life, self-concept, social support, and personality vulnerability indirectly affected substance use. The final modified model yielded Chi-square=2,987 (p<.001), df=121, χ2/df=22.1, GFI=.96, AGFI=.93, NFI=.91, PNFI=.72, PGFI=.72, RMSEA=.07 and exhibited fit indices.

Conclusion

This study constructed a model that addresses the factors related to adolescent substance use and explains the relationship of these factors in influencing substance use among Korean adolescents. Findings from this study can contribute to designing appropriate prevention strategies to reduce substance related disorders in adolescents.

Keywords: Adolescent, Substance related disorder, Alcohol, Smoking, Drug abuse

Figures and Tables

Figure 1
Conceptual framework for substance use in adolescents.
jkan-39-446-g001
Figure 2
Testing for hypothetical model.
jkan-39-446-g002
Figure 3
Testing for modified model.
jkan-39-446-g003
Table 1
Correlation among Factors (N=3,885)
jkan-39-446-i001

x1=parenting; x2=family satisfaction; x3=school achievement; x4=school adjustment; x5=friend's support; x6=teacher's support; y1=depression; y2=anxiety; y3=impulsiveness; y4=antisocial personality; y5=self acceptance; y6=self esteem; y7=self confidence; y8=perception; y9=self efficacy; y10=substance use.

Table 2
Model Fitness Index for Hypothetical and Modified Model (N=3,885)
jkan-39-446-i002
Table 3
Direct Effect, Indirect Effect, and Total Effect in Modified Path Model
jkan-39-446-i003

CR=critical ratio; SMC=squared multiple correlations.

Notes

This work was supported by the Korea Research Foundation Grant funded by Korean Goverment (KRF-2006-311-E00114).

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